PT-2026-37092 · Redis · Redis-Server

Emil Lerner · Published 2026-05-05 · Updated 2026-05-05 · CVE-2026-25243

Positive Technologies (AI Summary)

CVSS v4.0

7.7

High

Base vector

AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions redis-server versions prior to 8.6.3

Description Redis is an in-memory data structure store. The RESTORE command fails to properly validate serialized values. An authenticated attacker with permissions to execute this command can provide a crafted serialized payload, triggering invalid memory access which may lead to remote code execution.

Recommendations Update to version 8.6.3. Restrict access to the RESTORE command using ACL rules as a temporary workaround.

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2026-25243

Affected Products

Redis-Server

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-25243 · Security Note
• https://github.com/redis/redis/security/advisories/GHSA-c8h9-259x-jff4 · Note
• https://github.com/redis/redis/releases/tag/8.6.3 · Note
• https://twitter.com/CVEnew/status/2051741661047279915 · Twitter Post
• https://twitter.com/infoflowcloud/status/2051742823519531105 · Twitter Post